package com.lkc.web;

import java.util.Date;
import java.util.List;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.CookieValue;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;

import com.lkc.dto.Exposer;
import com.lkc.dto.SeckillExcution;
import com.lkc.dto.SeckillResult;
import com.lkc.entity.Seckill;
import com.lkc.enums.SeckillStatEnum;
import com.lkc.exception.RepeatKillException;
import com.lkc.exception.SeckillCloseException;
import com.lkc.exception.SeckillException;
import com.lkc.service.SeckillService;

@Controller
@RequestMapping("/seckill")
public class SeckillController {
	private final Logger logger = LoggerFactory.getLogger(this.getClass());
	@Autowired
	private SeckillService seckillService;
	
	@RequestMapping(value="/list",method = RequestMethod.GET)
	public String list(Model model){
		List<Seckill> list = seckillService.getSeckillList();
		model.addAttribute("list", list);
		return "list";
	}
	
	@RequestMapping(value="/{seckillId}/detail",method = RequestMethod.GET)
	public String detail(@PathVariable("seckillId") Long seckillId ,Model model){
		if(seckillId == null){
			return "redirect:/seckill/list";
		}
		Seckill seckill =  seckillService.getById(seckillId);
		if(seckill == null){
			return "redirect:/seckill/list";
		}
		model.addAttribute("seckill", seckill);
		return "detail";
	}
	
	@RequestMapping(value = "/{seckillId}/exposer",method=RequestMethod.POST,produces = {"application/json;charset=UTF-8"})
	@ResponseBody
	public SeckillResult<Exposer> exposer(@PathVariable("seckillId") Long seckillId){
		SeckillResult<Exposer> result;
		try {
			Exposer exposer =  seckillService.exportSeckillUrl(seckillId);
			result = new SeckillResult<Exposer>(true,exposer);
		} catch (Exception e) {
			logger.error(e.getMessage(), e);
			result = new SeckillResult<Exposer>(false,e.getMessage());
		}
		return result;
		
	}
	
	@RequestMapping(value = "/{seckillId}/{md5}/excution",method=RequestMethod.POST,produces = {"application/json;charset=UTF-8"})
	@ResponseBody
	public SeckillResult<SeckillExcution> excute(@PathVariable("seckillId")Long seckillId,
												   @PathVariable("md5")String md5,
												   @CookieValue(value = "killPhone",required = false) Long userPhone){
		if(userPhone == null){
			return new SeckillResult<SeckillExcution>(false,"未注册");
		}
		SeckillResult<SeckillExcution> result;
		try {
			SeckillExcution seckillExcution = seckillService.executeSeckill(seckillId, userPhone, md5);
			return new SeckillResult<SeckillExcution>(true,seckillExcution);
		} catch (RepeatKillException e) {
			SeckillExcution excution = new SeckillExcution(seckillId, SeckillStatEnum.REPEAT_KILL);
			return new SeckillResult<SeckillExcution>(true,excution);
		} catch (SeckillCloseException e) {
			SeckillExcution excution = new SeckillExcution(seckillId, SeckillStatEnum.END);
			return new SeckillResult<SeckillExcution>(true,excution);
		} catch (SeckillException e) {
			SeckillExcution excution = new SeckillExcution(seckillId, SeckillStatEnum.INNER_ERROR);
			return new SeckillResult<SeckillExcution>(true,excution);
		}
	}
	
	@RequestMapping(value = "/time/now",method= RequestMethod.GET)
	@ResponseBody
	public SeckillResult<Long> time(){
		Date now = new Date();
		return new SeckillResult<Long>(true, now.getTime());
	}
	
}
